CODEWITHSUNDEEP
iphoneiosnsmutablearray
Fazil
Fazil

Reputation: 1390

shuffled value on uibutton text from array

In my application I'm having 4 buttons. On each click I want to show the UIButton title shuffled value from array. I tried this one What's the Best Way to Shuffle an NSMutableArray? But its not working.

Upvotes: 0

Views: 145

Answers (2)

Trausti Thor
Trausti Thor

Reputation: 3774

Someplace you make an array :

In your header (.h) file

NSArray *words;

and a little below that

- (IBAction)aButtonWasClicked:(id)sender;

In you code file (.m), like viewDidLoad

words = [[NSArray arrayWithObjects:@"One", @"Two", @"Three", @"Four", nil] retain];

(in ios 6 you might do it like this

words = @[@"One", @"Two", @"Three", @"Four"];

Then you do this :

- (IBAction)aButtonWasClicked:(id)sender {
    int value = arv4random() % ([words count] -1);
    UIButton *mybutton = (UIButton *)sender;
    [mybbutton setTitle:[words objectAtIndex:value] forState:UIControlStateNormal];
}

Just remember to hook all 4 buttons to the same Action.

Thats all there is to it. You can easily add a function to make sure no button has the same title and so on.

Upvotes: 0

iPhone Programmatically
iPhone Programmatically

Reputation: 1227

You will get your index of array shuffled and then use that index to pick value.

 int rndIndex = arc4random()%[yourArray count];

 [yourArray objectAtIndex:rndIndex];

Upvotes: 1

Related Questions